Sub-locations
| Name | Sites | Samples |
|---|---|---|
| Mono County | 50 | 128 |
| Monterey County | 213 | 1103 |
| Napa County | 14 | 127 |
| Nevada County | 21 | 29 |
| Orange County | 174 | 1325 |
| Placer County | 14 | 62 |
| Plumas County | 15 | 50 |
| Riverside County | 45 | 220 |
| Sacramento County | 33 | 190 |
| San Benito County | 8 | 12 |
| San Bernardino County | 137 | 393 |
| San Diego County | 303 | 1164 |
| San Francisco County | 25 | 170 |
| San Joaquin County | 16 | 83 |
| San Luis Obispo County | 163 | 686 |
| San Mateo County | 41 | 226 |
| Santa Barbara County | 471 | 2253 |
| Santa Clara County | 96 | 486 |
| Santa Cruz County | 38 | 206 |
| Shasta County | 59 | 186 |
| Sierra County | 3 | 9 |
| Siskiyou County | 23 | 78 |
| Solano County | 29 | 105 |
| Sonoma County | 47 | 273 |
| Stanislaus County | 2 | 6 |
Sites
| Site Identifier | Name | Location | Samples |
|---|---|---|---|
| CA-SBI-63 | CA | 1 | |
| CA-SBI-9 | CA | 3 | |
| CA-SMI-1 | CA | 4 | |
| CA-SMI-131/133 | CA | 1 | |
| CA-SMI-149 | CA | 1 | |
| CA-SMI-150 | CA | 1 | |
| CA-SMI-152 | CA | 2 | |
| CA-SMI-153 | CA | 1 | |
| CA-SMI-156 | CA | 1 | |
| CA-SMI-159 | CA | 1 | |
| CA-SMI-161 | CA | 3 | |
| CA-SMI-162 | CA | 1 | |
| CA-SMI-163 | Tuquan | CA | 14 |
| CA-SMI-169 | Fish Ridge | CA | 18 |
| CA-SMI-171 | CA | 1 | |
| CA-SMI-172 | CA | 2 | |
| CA-SMI-174 | CA | 1 | |
| CA-SMI-177 | CA | 1 | |
| CA-SMI-178 | CA | 1 | |
| CA-SMI-180 | CA | 1 | |
| CA-SMI-181 | CA | 1 | |
| CA-SMI-188 | CA | 1 | |
| CA-SMI-190 | CA | 1 | |
| CA-SMI-192 | CA | 1 | |
| CA-SMI-212 | CA | 2 |